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ImFont: Tweaking layout, shaving bit of alignment and simple hot/cot split

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This commit is contained in:
ocornut 2016-04-23 11:29:42 +02:00
parent 44fb99542f
commit a20d69f9ce
2 changed files with 17 additions and 16 deletions
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31
imgui.h
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@ -1286,15 +1286,6 @@ struct ImFontAtlas
// ImFontAtlas automatically loads a default embedded font for you when you call GetTexDataAsAlpha8() or GetTexDataAsRGBA32().
struct ImFont
{
// Members: Settings
float FontSize; // <user set> // Height of characters, set during loading (don't change after loading)
float Scale; // = 1.0f // Base font scale, multiplied by the per-window font scale which you can adjust with SetFontScale()
ImVec2 DisplayOffset; // = (0.0f,1.0f) // Offset font rendering by xx pixels
ImWchar FallbackChar; // = '?' // Replacement glyph if one isn't found. Only set via SetFallbackChar()
ImFontConfig* ConfigData; // // Pointer within ImFontAtlas->ConfigData
int ConfigDataCount; //
// Members: Runtime data
struct Glyph
{
ImWchar Codepoint;
@ -1302,13 +1293,23 @@ struct ImFont
float X0, Y0, X1, Y1;
float U0, V0, U1, V1; // Texture coordinates
};
float Ascent, Descent; // Ascent: distance from top to bottom of e.g. 'A' [0..FontSize]
ImFontAtlas* ContainerAtlas; // What we has been loaded into
ImVector<Glyph> Glyphs;
// Members: Hot ~62/78 bytes
float FontSize; // <user set> // Height of characters, set during loading (don't change after loading)
float Scale; // = 1.f // Base font scale, multiplied by the per-window font scale which you can adjust with SetFontScale()
ImVec2 DisplayOffset; // = (0.f,1.f) // Offset font rendering by xx pixels
ImVector<Glyph> Glyphs; // // All glyphs.
ImVector<float> IndexXAdvance; // // Sparse. Glyphs->XAdvance in a directly indexable way (more cache-friendly, for CalcTextSize functions which are often bottleneck in large UI).
ImVector<int> IndexLookup; // // Sparse. Index glyphs by Unicode code-point.
const Glyph* FallbackGlyph; // == FindGlyph(FontFallbackChar)
float FallbackXAdvance; //
ImVector<float> IndexXAdvance; // Sparse. Glyphs->XAdvance directly indexable (more cache-friendly that reading from Glyphs, for CalcTextSize functions which are often bottleneck in large UI)
ImVector<int> IndexLookup; // Sparse. Index glyphs by Unicode code-point.
float FallbackXAdvance; // == FallbackGlyph->XAdvance
ImWchar FallbackChar; // = '?' // Replacement glyph if one isn't found. Only set via SetFallbackChar()
// Members: Cold ~18/26 bytes
short ConfigDataCount; // ~ 1 // Number of ImFontConfig involved in creating this font. Bigger than 1 when merging multiple font sources into one ImFont.
ImFontConfig* ConfigData; // // Pointer within ContainerAtlas->ConfigData
ImFontAtlas* ContainerAtlas; // // What we has been loaded into
float Ascent, Descent; // // Ascent: distance from top to bottom of e.g. 'A' [0..FontSize]
// Methods
IMGUI_API ImFont();

2
imgui_draw.cpp
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@ -1725,7 +1725,7 @@ const ImFont::Glyph* ImFont::FindGlyph(unsigned short c) const
{
const int i = IndexLookup[c];
if (i != -1)
return &Glyphs[i];
return &Glyphs.Data[i];
}
return FallbackGlyph;
}